Means for forming a band about a package or the like



Aprrl Wy H936. c. E. moslr @W@ MEANS FOR FORMING A BAND ABOUT A PACKAGE OR THE LIK Filed March 2l, 1934 3 Sheets-Sheet l,

AWM! Z H936 C. B FRQST Z@ MEANS FOR FORMING A BAND ABOUT PACKAGE OR THE LIKE Filed March 2l, 1934 5 Sheets-Shea;

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c. E. FROST E@ D ABOUT A PACKAGE OR THE LIKE April 79 w33@ MEANS FOR FORMING A BAN 1954 5 Sheets-Sheet 3 Filed March 2l Patented Apr. 7, 1936 UNITED STATES PATENT MEANS FOR FORMING A BAND ABOUT A PACKAGE OR THE LIKE Application March 21, 1934, Serial No. '716,726

11 Claims.

This invention relates to improvements in means and method for forming a band about a package or the like. More especially it has to do with the formation of a band having interengaged. hooked ends Which are held firmly together by a seal.

The principal object of the invention is to provide for attaching a band around a package so that its end portions will overlap, then forming said overlapping portions into hook-shape with one hook engaging the other, and iinally applying a seal to the hooked-ends to bind them iirmly together. Another object is to provide a tool by which the aforesaid application can be effected, said tool to be capable of tightening a band around a package, holding it there, cutting off the band to provide overlapping end portions, bending these end portions into hook-shape With one hook engaging the other, and attaching a seal to said hooked-ends to bind them together and thereby hold the band taut about the package.

The appended drawings show a tool embodying the present invention and by Which the improved method may be practiced, but these drawings are to be taken as illustrative only for it is intended that the patent shall cover by suitable expression in the appended claims Whatever features of patentable novelty exist in the invention disclosed.

In the drawings:

Figure l. is an elevation showing a tool, em-

bodying the invention, being used to apply a metal band to a box;

Figure 2 is an elevation of the tool showing the band tightened and ready to be cut off from the supply roll;

Figure 3 is a similar view of a portion of the tool showing the band cut off and ready to have its ends bent into hook form;

Figure 4 is an elevation in section as on line l-li of Figure 3, showing the bending arbor in full View;

Figure 5 is an elevation showing the bending operation partly completed;

Figure 6 is an elevation of the tool showing the bending operation completed with the hooked ends of the band interengaged;

Figure 7 is a similar View showing a seal being applied to the interengaged ends;

Figure 8 (Sheet l) is an elevation in section as on line 8--8 of Figure 7 but showing the sealing dies in separated relation;

Figure 9 is a perspective of the rotatable anvil;

Figure 10 is an elevation in section as on line Ill-l of Figure 13;

Figure 11 is an elevation in section, as on line 8-8 of Figure 7 showing the completion of the sealing operation; 5

Figure 12 is an elevation in section as on line |2-I2 of Figure 6;

Figure 13 is a plan View;

Figure 14 is a longitudinal section as on line Ill- I4 of Figure 15, showing the nished sealed l0 band; and

Figure 15 is an elevation in cross section as on line l5--l5 of Figure 14.

Referring to the drawings and more particularly to Figures 1 and 2, the tool It is shown restl5 ing on the upper side of a box l about which a binding band I9 is being applied. This band is conveniently supplied in the form of a roll 2u which may be supported on a suitable standard (not shown) if desired. The free end l9a of the 20 band is placed in the tool with its very end opposite the left side (as seen in Figures l and 2) of a bending arbor 22 to be more particularly hereinafter described. The band is then placed between the base plate 24 of the tool and a roller 25 26 which is mounted on axle 28. The band is next slipped under a clamp 3U which is rotatable on an axle 32 and is acted upon by a coiled spring 3L'. which tends to swing the clamp counterclockwise and thus hold its serrated foot 30a 30 against the band and thus clamp the band against the base plate 24. The clamp may be manually rotated against the force of spring 34 by the handle 30h to permit insertion of the band.

The latter is then passed around the box (which 35 is to be understood as representative of a package, carton, bale or the like) and slipped under another clamp 36 which is at the opposite end of the base plate from clamp 3i). Clamp 36 is similar to clamp 3l! being similarly mounted on 40 an axle 38 and similarly acted upon by a coiled spring lil and similarly clamps the band to the base plate 24. Its shoe 36a is, however, reversely disposed as clearly seen in Figure 2. The band is then passed under a second roller 62, mounted 45 on axle 43, and thence over an arm M provided on a hand lever 45 which is fulcrumed on the axle 28. This lever is also provided with an axle 46 on which is pivoted a dog il having a serrated eccentric face @la adapted to co-act with 50 the face of arm M. The dog is urged clockwise about the axle 46 by a coiled spring d3 so that when the lever is moved to the right in the direction of arrow Al the dog and arm grip the band tightly between them and thus enable it 55 to be tightened about the box by the said movement of the lever. During this tightening the clamp 30 holds the free end of the band from slipping but clamp 36 releases by virtue of the movement of the band. When the tightening swing of the lever ends, the tendency of the band to slip back is resisted by the clamp 36 which locks the band between itself and the base plate 24. This permits the lever 45 to be swung in the direction of arrow A2, the dog 47 releasing and permitting its face 41a to slide along the band. The described operation of lever 45 may be repeated as often as desired until the slack of band has been taken up about the box, but, as will later appear, the band need not be tightened to the fullest extent, indeed it is intended that it shall only be drawn reasonably taut.

The supply can now be cut oi and this is readily accomplished by a further swing of the lever 45 in direction of arrow A2. This movement of the lever and consequently of the axle 46 causes a second lever 50 to swing downward about the axle 43. This lever carries a pressure block 52 (see Figure 6) on its under side, the right edge 52a of which constitutes a cutter. As the lever 5D swings downward this cutting edge 52a engages the band substantially opposite the edge 54a of an arm 54 which is mounted on a rotatable anvil 56. The band is thus severed and the end |917 drops down upon the other end |9a. It is to be noted that'the cutting means is so located that the newly formed end |912 comes opposite the other side of the bending arbor 22 previously mentioned. After the cutting is completed, lever 45 is swung to the right in direction of arrow AI, thus raising lever 50 to its position seen in Figure 2.

The next operation to be performed is the bending of the overlapping band ends. Mounted on the base plate 24 is the hereinbefore mentioned rotatable anvil 56. Its base 56a ts in a circular opening 24a of the base plate and an annular ilange 561) overlies the edge of this opening. A suitable holding member 56 is secured to the base plate to hold the anvil in rotatable position. This member has a socket 58a in its upper part which forms the upper bearing for a vertical trunnion 56e on the anvil and has suitable grooves 58e to receive the annular ilange 56h of the anvil. A transverse hole 56d is provided in the anvil, through which can be slipped the bending arbor 22, (see Figure 4). This arbor comprises a cylinder shaft portion provided at one end with a handle 60 and with bending jaws 22a, 22h at the opposite end. These jaws are relatively thin plates extending outward from the cylindrical portion of the arbor and are spaced apart so as to receive the overlapped ends |9a and |927 of the band between them.

After the band has been cut as aforesaid the arbor is pushed through the hole 56d in the anvil until the jaws 22a, 22b embrace the overlapped ends of the band as shown in Figures 3 and 4. The handle 60 is then turned to rotate the arbor clockwise, as seen in Figures 2 and 4. The latter figure shows the relative positions of the arbor and the band ends after the handle 6U has been turned through an angle of in the direction of the arrow A3. When the handle has been turned through the jaws of the anvil and the ends of the band will appear as shown in Figure 6. A hook has been formed on each end of the band and these are interengaged. During this formation the band has been additionally tightened being drawn up slightly on both sides of the box, the clamps 36 and 36 releasing to permit the additional tightening but binding the band against the base plate to prevent any backsliding or undesired slipping of the band. When the bending is completed, the arbor is withdrawn from the hooked ends and also from the anvil 56.

A knob 6| on the anvil is now grasped and the latter rotated a quarter turn in the direction of arrow A4 (Figure 13) to swing the arm 54 away from the band and to position a die 62 under the interengaged hooked ends. This die 62 is of course mounted on the rotatable anvil and when the rotative movement of the latter is stopped by the spring detent 63 (see Figure 4) provided in the holding member 58, this die is directly under the hooked ends as seen in Figure 7. The inclined face 52a on the die enables it to slide easily under these interengaged ends. The lever 45 is now swung to the left in direction of arrow A2 thus causing lever 50 to swing downward and bring its block 52 against the hooked ends. Sucient pressure is now applied to bring the four overlapping sections of the band tightly together, substantially as shown in Figure 8.

The lever 45 is once more swung to the right in the direction of arrow Al, thus lifting lever 5U so that a suitable generally U-shaped seal 64 can be placed over the overlapped ends and under the upper block 52. Lever 45 is now given its nal swing to the left to bring lever 56 and block 52 down toward the lower die 62. The

seal is forced downward on the hooked ends and its sides 64a are forced under the ends by virtue of the recessed faces 62h of the lower die. Suiicient pressure is then applied to bind the overlapped interengaged ends of the band tightly together with the seal.

The arbor 56 is rotated back to its former position, the clamps 30 and 36 released and tool slipped sidewise away from the band leaving it tightly sealed about the box. Thus the invention provides for applying a band to a box or L the like, for holding it therearound while the supply is cut off to provide overlapping ends, for bending said overlapping ends into hook form in interengaged relation, and for applying a seal to the interengaged hooked ends to bind them together and thus secure the band tightly about the box.

I claim:

1. A tool for forming a band about a package comprising, in combination, a base plate having a portion underlying the band; holding means cooperating with the base plate for holding the band around the package with end portions overlapping; a rotatable arbor movable along its axis with respect to the base plate into position to engage said portions and capable when in said position of being rotated and thereby bend said portions into hook-shape with one hook engaging the other; and means for attaching a seal to bind said hooked ends together.

2. A tool for forming a band about a package from a supply of strip material comprising, in combination, a base plate having a portion underlying the band; holding means cooperating with the base plate at separated points for holding the band around the package; cutting means between said holding means for cutting off the supply and leaving the ends of the band between said holding means in overlapping relation; means movable with respect to said base plate in a direction laterally toward said overlapping ends to engage and bend them into hook shape with one hook engaging the other; and means mounted on the base plate for attaching a seal to bind said hooked ends together.

3. A tool for forming a band about a package from a supply of strip material comprising, in combination, a base plate having a portion insertable under said band; means coacting with the base plate for holding the end of said strip supply; means for tightening said strip around the package; means coacting with the base plate for holding said strip about said package when tightened; means mounted Ion said base plate for cutting off the supply leaving the end portions of the strip about the package in overlapping relation; means mounted on said base plate and movable with respect thereto in a direction laterally toward said band to engage said overlapping end portions and rotatable While so engaged for forming the ends of said strip into hook-shape and for engaging one hooked end with the other; and means for attaching a seal to said hooked ends to bind them together.

Li. A tool for forming a band about a package comprising holding means for holding the band around the package with end portions overlapping; a movable anvil; an arbor mounted movably in said anvil arranged to engage said overlapping portions and upon rotation to bend said portions into hook-shape with one hook engaging the other; a die block on said anvil arranged upon movement thereof to be positioned under said engaged hook ends; and a movable pressure block arranged to be moved toward said die block to co-operate therewith in attaching a seal to said hooked ends.

5. A tool for forming a band about a package comprising holding means for holding the band around the package with end portions overlapping; a movable anvil; a cutting edge on said anvil; a cutter arranged to cooperate with said cutting edge to cut said strip so that the end portions thereof are in overlapping relation; a

movable arbor mounted in said anvil adapted to engage said overlapping portions and bend them in hook-shape with one hook engaging the other; a die block on said anvil arranged to be positioned by movement of the anvil under the engaged hooked ends; and a pressure block arranged to cooperate with the die block in attaching a seal to said hooked ends.

6. A tool for forming a band about a package comprising a base plate; holding means mounted on said plate for holding the band around the package with portions between said holding means in overlapping relation; a lever mounted on said plate having means thereon for engaging one portion of the band so that upon movement of the leverv said band is tightened about the package; a second lever having operative connection with the nrst lever and adapted to be moved thereby; a cutter actuated by said second lever for cutting the band so that one end portion thereof will overlap the other end portion a predetermined amount; means for engaging said overlapping end portions and bending them into hook-shape with one hook engaging the other; and means, including said second lever, for attaching a seal to said hooked ends.

7. A tool for forming a. band about a package comprising, in combination, a base plate having a portion underlying the band; holding means mounted on said base plate for holding the band around the package with its end portions overlapping; and bending means movable with respect to said base plate and laterally with respect to the band to engage the overlapped portions. and movable rotatably to bend said overlapped portions into hook-shape with one hook engaging the other.

8. A tool for forming a band about a package comprising, in combination, a base plate having a portion underlying the band; holding means mounted on said base plate for holding the band around the package with its end portions overlapping; and bending means comprising a rotatable arbor which is movable along its axis with respect to said base plate into and out of engagement with said overlapping portions, and capable when engaged with said portions of being rotated to bend said portions into hook-shape with one hook engaging the other.

9. A tool for forming a band about a package comprising, in combination, a frame having a base plate underlying a portion of the band; means cooperating with the base plate at separated points for holding the band against said base plate; cutting means movable with respect to the base plate to a position where one end of the band is severed to provide overlapping end portions between said holding means, and to another position beside the band; bending means movable with respect to the base plate to a position to engage the said overlapping end portions and capable of bending them into hookshape with one hook engaged with the other, and movable to another position removed from said ends; and means mounted on said base plate for applying a seal to said hooked ends to bind them together.

l0. A tool for forming a band about a package comprising, in combination, means for holding the band around the package; a lever having means for gripping the band so that upon movement of the lever the band is tightened; an anvil; force applying means operatively connected with said lever having a cutter associated therewith and arranged to coact with said anvil so that upon movement of said lever the band is severed with one end thereof overlapping the other; means for bending said overlapping ends into hook-shape with one end engaging the other; and a die block; the said force applying means and said lever being capable upon movement of said lever of coacting with said die block to apply a seal to said hooked ends to bind them together.

l1. 4A tool for forming a band about a package comprising, in combination, means for holding the band around the package; a lever having means for gripping the band so that upon movement of the lever in one direction the band is tightened about the package; an anvil; cutting means connected to and actuated by said lever when moved in the opposite direction for cooperating with said anvil to sever the band so that its ends overlap a predetermined amount; means for bending said overlapping portions into hook-shape with one hook engaging the other; and means for attaching a seal to bind said hooked ends together.

CLARENCE B. FROST. 

